CN105861281B - The non-maintaining tank body integrated form positive/negative pressure protector of integral type - Google Patents
The non-maintaining tank body integrated form positive/negative pressure protector of integral type Download PDFInfo
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- CN105861281B CN105861281B CN201610265488.XA CN201610265488A CN105861281B CN 105861281 B CN105861281 B CN 105861281B CN 201610265488 A CN201610265488 A CN 201610265488A CN 105861281 B CN105861281 B CN 105861281B
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- cylinder
- liquid level
- pipe
- lower limit
- communicating pipe
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/10—Arrangements for preventing freezing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Molecular Biology (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Sustainable Development (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses the non-maintaining tank body integrated form positive/negative pressure protector of integral type, including the cylinder to become one with tank body, the top of the cylinder is located at outside tank body, and the bottom of cylinder is located at tank interior；The cylinder body bottom is provided with bottom plate, and bottom plate is connected with the overflow communicating pipe connected with tank interior, and the top of inner barrel is provided with top plate, and the top plate is connected with weighing apparatus pressure diode, and the cylinder is built with sealing liquid.Overflow communicating pipe directly connects with tank interior; liquid in the wet gas of tank interior can be supplemented sealing liquid; extraneous rainwater enters unnecessary meeting automatic overflow after sealing liquid; maintain protection pressure stability; because it is integrated in tank interior, the evaporation loss that failure caused by winter sealing liquid freezes is brought with solar radiation is avoided.Liquid level lower limit is set to perceive pipe in the present invention, perceive pipe by liquid level lower limit prompts liquid make-up to monitor liquid level lower limit.
Description
Technical field
The present invention relates to a kind of large-scale storage tank positive and negative pressure protection equipment, is sent out more particularly to anaerobism in a kind of biogas engineering
The non-maintaining tank body integrated form positive/negative pressure protector of the positive/negative pressure protection device of ferment reactor, specifically integral type.
Background technology
In recent years, developing into for feces of livestock and poultry anaerobic fermentation production biogas technology effectively solves Pollution from livestock and poultry, exploitation
Clean energy resource provides technical support.Anaerobic fermentation reactor in normal course of operation, by input and output material, outside air temperature change with
And the influence with gas system fluctuation, reactor pressure often fluctuate, for prevent pressure oscillation cause tank body unstability or spalling with
Ceiling, it is necessary to which malleation and negative-pressure protection device are set.The malleation and negative-pressure protection device used at present has machinery, water seal etc. several
Kind, but be all independent, the drawbacks of investment is high and management is cumbersome be present, and mechanical protector also has corrosion failure, life-span
The problem of low, it is big floor space to be present in water seal protector, and low temperature environment freezes problem.Therefore, the integral type of exploitation compact is just
Negative-pressure protection device, investment and management intensity are reduced, convenient use, solves disadvantage existing for conventional pressure protection device just particularly
It is important.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided the non-maintaining tank body integrated form of integral type is positive and negative
Protector is pressed, positive/negative pressure protector is integrated in one with tank body, has prevented because its function caused by winter sealing liquid freezes
The loss that failure is brought.
To achieve the above object, the present invention uses following technical proposals：
The non-maintaining tank body integrated form positive/negative pressure protector of integral type, including the cylinder to become one with tank body, the cylinder
The top of body is located at outside tank body, and the bottom of cylinder is located at tank interior；The cylinder body bottom is provided with bottom plate, bottom plate be connected with
The overflow communicating pipe of tank interior connection, the top of inner barrel are provided with top plate, and the top plate is connected with weighing apparatus pressure diode, described
Cylinder is built with sealing liquid.Positive and negative pressure defencive function is integrated in one, and makes positive/negative pressure protector with being integrated by protection tank body
It is integrated, positive/negative pressure protector is protected to tank interior, will not be tied in the winter time because of the sealing liquid in positive/negative pressure protector
Ice and cause to fail.
The pipeline of the overflow communicating pipe is located in cylinder, being sealed between cylinder inboard wall outside the tube wall of overflow communicating pipe
Close liquid storage area；Sealing liquid, while overflow communicating pipe and tank body are set between the outer wall and cylinder inboard wall of overflow communicating pipe
Inside connection, unnecessary meeting automatic overflow, maintains protection pressure stability after extraneous rainwater enters sealing liquid.
The weighing apparatus pressure diode is extended in sealing liquid by top plate；Weighing apparatus pressure diode is extended in sealing liquid, is closed
Liquid enters inside weighing apparatus pressure diode, possesses overall positive/negative-pressure defencive function.
The weighing apparatus pressure diode and overflow communicating pipe are non-interference, the axis and the axis of overflow communicating pipe of weighing apparatus pressure diode
Spacing distance be more than weighing apparatus pressure both diode and overflow communicating pipe caliber in maximum；Weighing apparatus pressure diode and overflow communicating pipe
Both are separately laid, it is ensured that the bottom of weighing apparatus pressure diode is placed in sealing liquid.
Minimum point of the peak of the overflow communicating pipe higher than weighing apparatus pressure diode；Ensure that the liquid level of sealing liquid can
With the bottom higher than weighing apparatus pressure diode, sealing liquid is entered in weighing apparatus pressure diode, ensure the positive/negative-pressure protective effect of device.
Atmospheric communicating pipe is connected with the top of the cylinder；Top plate region below is positive/negative-pressure functional section, more than top plate
Region is de- liquid respiratory region, and positive/negative pressure protector is breathed by atmospheric communicating pipe.
Liquid level lower limit is fixed with the top plate and perceives pipe, the bottom that liquid level lower limit perceives pipe is extended in sealing liquid；
Pipe is perceived by liquid level lower limit and prompts liquid make-up to monitor liquid level lower limit, realizes the non-maintaining operation of fault-free.
Preferably, the liquid level lower limit perception pipe top port, which is connected with, blows whistle, and is easy to the liquid level deficiency in protector
Prompted.
The liquid level lower limit perceives tube top portion and extended to via atmospheric communicating pipe outside cylinder；It is easy for installation, and under exposing
Limit, which perceives pipe, to be determined by its sensed in advance liquid level function, when liquid level reaches its lower end position, certainly will have liquid with air-flow from
It sprays in managing.
Preferably, the liquid level lower limit perceives the length of the length less than weighing apparatus pressure diode in portion under the top plate of managing；Under liquid level
Limit, which perceives pipe, can so ensure that the device whole year is non-maintaining with the liquid level lower limit of sensed in advance sealing liquid and timely fluid infusion
Failure-free operation.
The present invention operation principle be：
After said structure, connecting tube is connected with protected tank body or gas storage constant-voltage equipment, and in lower chamber
Inject and hydraulically full, when protected object is in normal pressure, weighing apparatus pressure diode can form protection fluid-tight, i.e., inside it
Liquid level rises, and lifting height is related to protection object operating pressure, when protected object pressure exceedes setting, by protection pair
As the water seal that the gases at high pressure of inside will be broken through in weighing apparatus pressure diode, discharged by the atmospheric communicating pipe at the top of protector so that
Pressure recovers normal value.And when protected object pressure is reduced to setting, system can pass through atmospheric communicating pipe inspiration air
Negative-pressure balancing is fallen, ensures that protected object is not damaged by negative pressure.The present invention can be very good the system for adjusting protected object
Pressure, ensure that pressure is normal during its operation, so that its safe operation.
Beneficial effects of the present invention are：
The present invention's directly connects overflow communicating pipe with tank interior, and the liquid in the wet gas of tank interior can be to envelope
Liquid is closed to be supplemented, extraneous rainwater enters unnecessary meeting automatic overflow after sealing liquid, maintains protection pressure stability, due to
It is integrated in tank interior, avoids the evaporation loss that failure caused by winter sealing liquid freezes is brought with solar radiation.
Liquid level lower limit is set to perceive pipe in the present invention, perceive pipe by liquid level lower limit prompts replenisher to monitor liquid level lower limit
Body, while liquid level lower limit perceives the length in pipe portion under the top plate and is slightly less than the length of weighing apparatus pressure diode, such liquid level lower limit perceives
Pipe can be with the timely fluid infusion of the liquid level lower limit of sensed in advance sealing liquid.The annual non-maintaining fault-free fortune of the device can so be ensured
OK.
Negative pressure and positive pressure protection bound are adjusted by adjusting a and b value in the present invention, avoids traditional positive and negative pressure from protecting
Shield device because it is independent and caused by investment increase, manage the drawbacks of cumbersome, floor space is big, stable, the protection to container has
Effect is reliable.
Brief description of the drawings
Fig. 1 is the structural representation of integrated form positive/negative pressure protector of the present invention；
Fig. 2 is A-A profiles in Fig. 1；
In figure, 1. overflow communicating pipes, 2. bottom plates, 3. sealing liquids, 4. interior cylinders, 5. weighing apparatus pressure diodes, 6. tank bodies, 7.
Top plate, 8. outside cylinders, 9. atmospheric communicating pipes, 10. liquid level lower limits perceive pipe.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in figure 1, the non-maintaining tank body integrated form positive/negative pressure protector of integral type, by cylinder, bottom plate 2, top plate 7, air
Communicating pipe 9, weighing apparatus pressure diode 5, overflow communicating pipe 1, liquid level lower limit perception pipe 10, sealing liquid 3 are formed, the region below of top plate 7
For positive/negative-pressure functional section, area above is de- liquid respiratory region.
Cylinder becomes one with tank body 6, cylinder top outside tank body 6 for outside cylinder 8, cylinder bottom is in tank body
Bottom plate 2 is provided with for interior cylinder 4, the bottom of interior cylinder 4 inside 6, bottom plate 2 is connected with the overflow connected with the inside of tank body 6 and connected
Siphunculus 1, the top inside interior cylinder 4 are provided with top plate 7, and top plate 7 is connected with weighing apparatus pressure diode 5.The outside top of cylinder 8 is connected with
Atmospheric communicating pipe 9；The region below of top plate 7 is positive/negative-pressure functional section, and the area above of top plate 7 is to take off liquid respiratory region, positive/negative-pressure
Protector is breathed by atmospheric communicating pipe 9.
In the internally positioned cylinder 4 of pipeline of overflow communicating pipe 1, tube wall outside and the inwall of interior cylinder 4 of overflow communicating pipe 1
Between be the storage area of sealing liquid 3；Sealing liquid is set between the outer wall and cylinder inboard wall of overflow communicating pipe, while overflow connects
Pipe connects with tank interior, and unnecessary meeting automatic overflow, maintains protection pressure stability after extraneous rainwater enters sealing liquid.
Weighing apparatus pressure diode 5 is extended in sealing liquid 3 by top plate 7；Weighing apparatus pressure diode is extended in sealing liquid, confining liquid
Body enters inside weighing apparatus pressure diode, possesses overall positive/negative-pressure defencive function.Weighing apparatus is pressed diode 5 and not done mutually overflow communicating pipe 1
Relate to, the axis of weighing apparatus pressure diode 5 and the spacing distance of the axis of overflow communicating pipe 1 are more than weighing apparatus pressure diode 5 and overflow communicating pipe 1
Maximum in both calibers；Weighing apparatus pressure diode 5 and overflow communicating pipe 1, both separately laid, it is ensured that the bottom of weighing apparatus pressure diode 5
It is placed in sealing liquid.Minimum point of the peak of overflow communicating pipe 1 higher than weighing apparatus pressure diode 5；Ensure the liquid level of sealing liquid
Height can be higher than the bottom of weighing apparatus pressure diode, sealing liquid is entered in weighing apparatus pressure diode, ensure the positive/negative-pressure protection of device
Effect.
Liquid level lower limit is fixed with top plate 7 and perceives pipe 10, the bottom that liquid level lower limit perceives pipe 10 extends to sealing liquid 3
It is interior；Pipe is perceived by liquid level lower limit and prompts liquid make-up to monitor liquid level lower limit, realizes the non-maintaining operation of fault-free.Liquid level lower limit
The top of pipe 10 is perceived to extend to outside outside cylinder 8 via atmospheric communicating pipe 9；
Liquid level lower limit perceives length c of the pipe 10 in the bottom of top plate 7
a；Liquid level lower limit, which perceives pipe 10, can so ensure the device with the liquid level lower limit of sensed in advance sealing liquid and timely fluid infusion
Annual non-maintaining failure-free operation.Upper lower limit value is freely set by the design requirement of protected object.By the value for adjusting a and b
To adjust negative pressure and positive pressure protection bound, pipe 10 is perceived by liquid level lower limit to monitor liquid level lower limit and prompts liquid make-up, it is real
The non-maintaining operation of existing fault-free.C is slightly less than b, and such liquid level lower limit perceives pipe 10 can be with the liquid level of sensed in advance sealing liquid 3
Timely fluid infusion is limited, can so ensure the annual non-maintaining failure-free operation of the device.
As shown in Fig. 2 weighing apparatus pressure diode 5 and overflow communicating pipe 1, internally the central axis both sides of cylinder 4 were laid, ensure two
It is non-interference between person；Atmospheric communicating pipe 9 is laid at the center of outside cylinder 8, and liquid level lower limit perceives pipe 10 in atmosphere
The center of pipe 9 passes through, and extends in the sealing liquid 3 of interior cylinder 4.
It is now a critical condition due to the presence of malleation when liquid level, which is reduced, perceives 10 lower end of pipe to liquid level lower limit.
If liquid has loss again, by protection tank body will the small pressure release since liquid level lower limit perceives pipe 10, after venting partial pressure,
Weighing apparatus pressure diode and liquid level perceive liquid in pipe will some falling so that liquid level, which rises, recloses liquid level lower limit sense
Pipe 10 is known then as pressure rises, similarly liquid level is begun to decline again so that reveal again the lower end that liquid level lower limit perceives pipe 10
Go out liquid level, continue pressure release, again and again, no longer close liquid level until liquid level and perceive pipe lower end.When most starting pressure release, liquid is had
Perceive in pipe 10 and spray from liquid level lower limit with gas, formation high speed is vaporific, be able to can also now be led to being judged as liquid level deficiency
Cross to perceive pipe 10 in liquid level lower limit and export the connection equipment such as blow whistle and prompted., can be immediately by under liquid level during liquid level deficiency
Limit perceives pipe 10 and its liquid level is supplemented, firm discharge, and fixed pipeline time, surplus liquid automatically flows into tank body.
Positive and negative pressure defencive function is integrated in one by the present invention, and with integrated with integral by protection tank body, it is connected by overflow
Pipe 1 by atmospheric communicating pipe 9 with by the UNICOM of protection tank body 6, being breathed.Traditional positive and negative pressure protector is avoided to be made because of independence
Into investment increase, manage the drawbacks of cumbersome, floor space is big, stable, the protection to container is effectively reliable.Due to its collection
Into in tank interior, thoroughly prevent because the loss that its disabler caused by winter sealing liquid 3 freezes is brought.
Overflow communicating pipe 1 directly connects with the inside of tank body 6, and the liquid in wet gas inside tank body 6 can be to confining liquid
Body 3 is supplemented, and extraneous rainwater enters unnecessary meeting automatic overflow after sealing liquid 3, protection pressure stability is maintained, due to it
Tank interior is integrated in, the evaporation loss that failure caused by avoiding freezed in winter is brought with solar radiation.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (7)
1. the non-maintaining tank body integrated form positive/negative pressure protector of integral type, it is characterized in that, including the cylinder to become one with tank body,
The top of the cylinder is located at outside tank body, and the bottom of cylinder is located at tank interior；The cylinder body bottom is provided with bottom plate, and bottom plate connects
The overflow communicating pipe connected with tank interior is connected to, the top of inner barrel is provided with top plate, and the top plate connects with weighing apparatus pressure diode
Connect, the cylinder is built with sealing liquid, and the pipeline of the overflow communicating pipe is located in cylinder, outside the tube wall of overflow communicating pipe
It is sealing liquid storage area between cylinder inboard wall, the weighing apparatus pressure diode is extended in sealing liquid by top plate, the top plate
On be fixed with liquid level lower limit perceive pipe, liquid level lower limit perceive pipe bottom extend in sealing liquid.
2. positive/negative pressure protector as claimed in claim 1, it is characterized in that, the weighing apparatus is pressed diode and not done mutually overflow communicating pipe
Relate to, the axis of weighing apparatus pressure diode and the spacing distance of the axis of overflow communicating pipe are more than weighing apparatus pressure both diode and overflow communicating pipe
Maximum in caliber.
3. positive/negative pressure protector as claimed in claim 1, it is characterized in that, the peak of the overflow communicating pipe is higher than weighing apparatus pressure two
The minimum point of pole pipe.
4. positive/negative pressure protector as claimed in claim 1, it is characterized in that, it is connected with atmospheric communicating pipe at the top of the cylinder.
5. positive/negative pressure protector as claimed in claim 4, it is characterized in that, the liquid level lower limit perceives pipe top port and is connected with
Blow whistle.
6. positive/negative pressure protector as claimed in claim 1, it is characterized in that, the liquid level lower limit perceives tube top portion and connected via air
Siphunculus is extended to outside cylinder.
7. positive/negative pressure protector as claimed in claim 1, it is characterized in that, the liquid level lower limit perceives the length for managing portion under the top plate
Degree is less than the length of weighing apparatus pressure diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265488.XA CN105861281B (en) | 2016-04-26 | 2016-04-26 | The non-maintaining tank body integrated form positive/negative pressure protector of integral type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265488.XA CN105861281B (en) | 2016-04-26 | 2016-04-26 | The non-maintaining tank body integrated form positive/negative pressure protector of integral type |
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| Publication Number | Publication Date |
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| CN105861281A CN105861281A (en) | 2016-08-17 |
| CN105861281B true CN105861281B (en) | 2017-12-15 |
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| CN201610265488.XA Active CN105861281B (en) | 2016-04-26 | 2016-04-26 | The non-maintaining tank body integrated form positive/negative pressure protector of integral type |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479867B (en) * | 2016-12-23 | 2018-12-07 | 山东百川同创能源有限公司 | A kind of positive/negative pressure protection device and marsh-gas fermentation tank |
| CN110182481A (en) * | 2019-06-28 | 2019-08-30 | 恒力石化（大连）有限公司 | A kind of water seal safety device of normal micro-pressure closed system |
| CN111734955B (en) * | 2020-07-04 | 2022-01-04 | 南京天人环保设备有限公司 | Methane bidirectional pressure safety protector |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6024120A (en) * | 1998-09-25 | 2000-02-15 | Sherwood Services Ag | Pressure relief valve with moving diaphragm |
| CN201858526U (en) * | 2009-12-02 | 2011-06-08 | 青岛天人环境股份有限公司 | Positive/negative pressure protection device with water condensation function |
| CN102399682A (en) * | 2010-09-10 | 2012-04-04 | 辽宁北方环境保护有限公司 | Integral positive/negative pressure protector |
| CN203212570U (en) * | 2013-04-09 | 2013-09-25 | 山东明硕新能源科技有限公司 | Positive-negative pressure protector |
| CN203582852U (en) * | 2013-12-10 | 2014-05-07 | 巫溪县宏柳沼气设备中心 | Positive-negative pressure device of methane tank |
| CN204358429U (en) * | 2014-11-28 | 2015-05-27 | 中国科学院青岛生物能源与过程研究所 | A kind of positive/negative pressure protection device |
| CN204589165U (en) * | 2015-04-27 | 2015-08-26 | 何若平 | A kind of positive/negative-pressure protection of anaerobic reactor and drawing mechanism |
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- 2016-04-26 CN CN201610265488.XA patent/CN105861281B/en active Active
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Effective date of registration: 20191202 Address after: 311300 room 103, No. 888, Shenglian Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang new Baichuan Environmental Technology Co., Ltd Address before: 250101 North Zone, University of science and Technology Park, Ji'nan hi tech Zone, Shandong Patentee before: Shandong Baichuan Tongchuang Energy Co., Ltd. |
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Effective date of registration: 20210818 Address after: 250000 Room 403, floor 4, building a1-4, Hanyu Jingu, high tech Zone, Jinan, Shandong Province Patentee after: SHANDONG ZHIZHOU ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: Room 103, 888 Shenglian Road, Qingshanhu street, Lin'an District, Hangzhou, Zhejiang 311300 Patentee before: Zhejiang new Baichuan Environmental Technology Co.,Ltd. |